2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
5 * Copyright (c) 2004-2005 Richard Purdie
7 * Based on Sharp's 2.4 kernel patches/lubbock.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/major.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
22 #include <linux/mtd/physmap.h>
24 #include <linux/gpio.h>
25 #include <linux/backlight.h>
26 #include <linux/i2c.h>
28 #include <linux/spi/spi.h>
29 #include <linux/spi/ads7846.h>
30 #include <linux/spi/corgi_lcd.h>
31 #include <linux/mtd/sharpsl.h>
32 #include <linux/input/matrix_keypad.h>
33 #include <video/w100fb.h>
35 #include <asm/setup.h>
36 #include <asm/memory.h>
37 #include <asm/mach-types.h>
38 #include <mach/hardware.h>
40 #include <asm/system.h>
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
46 #include <mach/pxa25x.h>
48 #include <mach/irda.h>
51 #include <mach/pxa2xx_spi.h>
52 #include <mach/corgi.h>
53 #include <mach/sharpsl.h>
55 #include <asm/mach/sharpsl_param.h>
56 #include <asm/hardware/scoop.h>
62 static unsigned long corgi_pin_config[] __initdata = {
63 /* Static Memory I/O */
64 GPIO78_nCS_2, /* w100fb */
65 GPIO80_nCS_4, /* scoop */
71 GPIO24_GPIO, /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
74 GPIO28_I2S_BITCLK_OUT,
108 /* GPIO Matrix Keypad */
109 GPIO66_GPIO, /* column 0 */
110 GPIO67_GPIO, /* column 1 */
111 GPIO68_GPIO, /* column 2 */
112 GPIO69_GPIO, /* column 3 */
113 GPIO70_GPIO, /* column 4 */
114 GPIO71_GPIO, /* column 5 */
115 GPIO72_GPIO, /* column 6 */
116 GPIO73_GPIO, /* column 7 */
117 GPIO74_GPIO, /* column 8 */
118 GPIO75_GPIO, /* column 9 */
119 GPIO76_GPIO, /* column 10 */
120 GPIO77_GPIO, /* column 11 */
121 GPIO58_GPIO, /* row 0 */
122 GPIO59_GPIO, /* row 1 */
123 GPIO60_GPIO, /* row 2 */
124 GPIO61_GPIO, /* row 3 */
125 GPIO62_GPIO, /* row 4 */
126 GPIO63_GPIO, /* row 5 */
127 GPIO64_GPIO, /* row 6 */
128 GPIO65_GPIO, /* row 7 */
131 GPIO9_GPIO, /* CORGI_GPIO_nSD_DETECT */
132 GPIO7_GPIO, /* CORGI_GPIO_nSD_WP */
133 GPIO33_GPIO, /* CORGI_GPIO_SD_PWR */
134 GPIO22_GPIO, /* CORGI_GPIO_IR_ON */
135 GPIO44_GPIO, /* CORGI_GPIO_HSYNC */
137 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
143 static struct resource corgi_scoop_resources[] = {
147 .flags = IORESOURCE_MEM,
151 static struct scoop_config corgi_scoop_setup = {
152 .io_dir = CORGI_SCOOP_IO_DIR,
153 .io_out = CORGI_SCOOP_IO_OUT,
154 .gpio_base = CORGI_SCOOP_GPIO_BASE,
157 struct platform_device corgiscoop_device = {
158 .name = "sharp-scoop",
161 .platform_data = &corgi_scoop_setup,
163 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
164 .resource = corgi_scoop_resources,
167 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
169 .dev = &corgiscoop_device.dev,
170 .irq = CORGI_IRQ_GPIO_CF_IRQ,
171 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
172 .cd_irq_str = "PCMCIA0 CD",
176 static struct scoop_pcmcia_config corgi_pcmcia_config = {
177 .devs = &corgi_pcmcia_scoop[0],
181 EXPORT_SYMBOL(corgiscoop_device);
183 static struct w100_mem_info corgi_fb_mem = {
184 .ext_cntl = 0x00040003,
185 .sdram_mode_reg = 0x00650021,
186 .ext_timing_cntl = 0x10002a4a,
187 .io_cntl = 0x7ff87012,
191 static struct w100_gen_regs corgi_fb_regs = {
192 .lcd_format = 0x00000003,
193 .lcdd_cntl1 = 0x01CC0000,
194 .lcdd_cntl2 = 0x0003FFFF,
195 .genlcd_cntl1 = 0x00FFFF0D,
196 .genlcd_cntl2 = 0x003F3003,
197 .genlcd_cntl3 = 0x000102aa,
200 static struct w100_gpio_regs corgi_fb_gpio = {
201 .init_data1 = 0x000000bf,
202 .init_data2 = 0x00000000,
203 .gpio_dir1 = 0x00000000,
204 .gpio_oe1 = 0x03c0feff,
205 .gpio_dir2 = 0x00000000,
206 .gpio_oe2 = 0x00000000,
209 static struct w100_mode corgi_fb_modes[] = {
214 .right_margin = 0x55,
215 .upper_margin = 0x03,
216 .lower_margin = 0x00,
217 .crtc_ss = 0x82360056,
218 .crtc_ls = 0xA0280000,
219 .crtc_gs = 0x80280028,
220 .crtc_vpos_gs = 0x02830002,
221 .crtc_rev = 0x00400008,
222 .crtc_dclk = 0xA0000000,
223 .crtc_gclk = 0x8015010F,
224 .crtc_goe = 0x80100110,
225 .crtc_ps1_active = 0x41060010,
227 .fast_pll_freq = 100,
228 .sysclk_src = CLK_SRC_PLL,
230 .pixclk_src = CLK_SRC_PLL,
232 .pixclk_divider_rotated = 6,
237 .right_margin = 0x2e,
238 .upper_margin = 0x01,
239 .lower_margin = 0x00,
240 .crtc_ss = 0x81170027,
241 .crtc_ls = 0xA0140000,
242 .crtc_gs = 0xC0140014,
243 .crtc_vpos_gs = 0x00010141,
244 .crtc_rev = 0x00400008,
245 .crtc_dclk = 0xA0000000,
246 .crtc_gclk = 0x8015010F,
247 .crtc_goe = 0x80100110,
248 .crtc_ps1_active = 0x41060010,
251 .sysclk_src = CLK_SRC_XTAL,
253 .pixclk_src = CLK_SRC_XTAL,
255 .pixclk_divider_rotated = 1,
260 static struct w100fb_mach_info corgi_fb_info = {
261 .init_mode = INIT_MODE_ROTATED,
262 .mem = &corgi_fb_mem,
263 .regs = &corgi_fb_regs,
264 .modelist = &corgi_fb_modes[0],
266 .gpio = &corgi_fb_gpio,
267 .xtal_freq = 12500000,
271 static struct resource corgi_fb_resources[] = {
275 .flags = IORESOURCE_MEM,
279 static struct platform_device corgifb_device = {
282 .num_resources = ARRAY_SIZE(corgi_fb_resources),
283 .resource = corgi_fb_resources,
285 .platform_data = &corgi_fb_info,
291 * Corgi Keyboard Device
293 #define CORGI_KEY_CALENDER KEY_F1
294 #define CORGI_KEY_ADDRESS KEY_F2
295 #define CORGI_KEY_FN KEY_F3
296 #define CORGI_KEY_CANCEL KEY_F4
297 #define CORGI_KEY_OFF KEY_SUSPEND
298 #define CORGI_KEY_EXOK KEY_F5
299 #define CORGI_KEY_EXCANCEL KEY_F6
300 #define CORGI_KEY_EXJOGDOWN KEY_F7
301 #define CORGI_KEY_EXJOGUP KEY_F8
302 #define CORGI_KEY_JAP1 KEY_LEFTCTRL
303 #define CORGI_KEY_JAP2 KEY_LEFTALT
304 #define CORGI_KEY_MAIL KEY_F10
305 #define CORGI_KEY_OK KEY_F11
306 #define CORGI_KEY_MENU KEY_F12
308 static const uint32_t corgikbd_keymap[] = {
316 KEY(0, 8, KEY_BACKSPACE),
333 KEY(3, 0, CORGI_KEY_CALENDER),
341 KEY(3, 9, KEY_RIGHTSHIFT),
342 KEY(4, 0, CORGI_KEY_ADDRESS),
349 KEY(4, 8, KEY_ENTER),
350 KEY(4, 10, KEY_LEFTSHIFT),
351 KEY(5, 0, CORGI_KEY_MAIL),
354 KEY(5, 3, KEY_MINUS),
355 KEY(5, 4, KEY_SPACE),
356 KEY(5, 5, KEY_COMMA),
358 KEY(5, 11, CORGI_KEY_FN),
359 KEY(6, 0, KEY_SYSRQ),
360 KEY(6, 1, CORGI_KEY_JAP1),
361 KEY(6, 2, CORGI_KEY_JAP2),
362 KEY(6, 3, CORGI_KEY_CANCEL),
363 KEY(6, 4, CORGI_KEY_OK),
364 KEY(6, 5, CORGI_KEY_MENU),
367 KEY(6, 8, KEY_RIGHT),
368 KEY(7, 0, CORGI_KEY_OFF),
369 KEY(7, 1, CORGI_KEY_EXOK),
370 KEY(7, 2, CORGI_KEY_EXCANCEL),
371 KEY(7, 3, CORGI_KEY_EXJOGDOWN),
372 KEY(7, 4, CORGI_KEY_EXJOGUP),
375 static struct matrix_keymap_data corgikbd_keymap_data = {
376 .keymap = corgikbd_keymap,
377 .keymap_size = ARRAY_SIZE(corgikbd_keymap),
380 static const int corgikbd_row_gpios[] =
381 { 58, 59, 60, 61, 62, 63, 64, 65 };
382 static const int corgikbd_col_gpios[] =
383 { 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 };
385 static struct matrix_keypad_platform_data corgikbd_pdata = {
386 .keymap_data = &corgikbd_keymap_data,
387 .row_gpios = corgikbd_row_gpios,
388 .col_gpios = corgikbd_col_gpios,
389 .num_row_gpios = ARRAY_SIZE(corgikbd_row_gpios),
390 .num_col_gpios = ARRAY_SIZE(corgikbd_col_gpios),
391 .col_scan_delay_us = 10,
396 static struct platform_device corgikbd_device = {
397 .name = "matrix-keypad",
400 .platform_data = &corgikbd_pdata,
407 static struct gpio_led corgi_gpio_leds[] = {
409 .name = "corgi:amber:charge",
410 .default_trigger = "sharpsl-charge",
411 .gpio = CORGI_GPIO_LED_ORANGE,
414 .name = "corgi:green:mail",
415 .default_trigger = "nand-disk",
416 .gpio = CORGI_GPIO_LED_GREEN,
420 static struct gpio_led_platform_data corgi_gpio_leds_info = {
421 .leds = corgi_gpio_leds,
422 .num_leds = ARRAY_SIZE(corgi_gpio_leds),
425 static struct platform_device corgiled_device = {
429 .platform_data = &corgi_gpio_leds_info,
436 * The card detect interrupt isn't debounced so we delay it by 250ms
437 * to give the card a chance to fully insert/eject.
439 static struct pxamci_platform_data corgi_mci_platform_data = {
440 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
441 .gpio_card_detect = -1,
442 .gpio_card_ro = CORGI_GPIO_nSD_WP,
443 .gpio_power = CORGI_GPIO_SD_PWR,
450 static struct pxaficp_platform_data corgi_ficp_platform_data = {
451 .gpio_pwdown = CORGI_GPIO_IR_ON,
452 .transceiver_cap = IR_SIRMODE | IR_OFF,
457 * USB Device Controller
459 static struct pxa2xx_udc_mach_info udc_info __initdata = {
460 /* no connect GPIO; corgi can't tell connection status */
461 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
464 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
465 static struct pxa2xx_spi_master corgi_spi_info = {
469 static void corgi_wait_for_hsync(void)
471 while (gpio_get_value(CORGI_GPIO_HSYNC))
474 while (!gpio_get_value(CORGI_GPIO_HSYNC))
478 static struct ads7846_platform_data corgi_ads7846_info = {
480 .vref_delay_usecs = 100,
483 .gpio_pendown = CORGI_GPIO_TP_INT,
484 .wait_for_sync = corgi_wait_for_hsync,
487 static struct pxa2xx_spi_chip corgi_ads7846_chip = {
488 .gpio_cs = CORGI_GPIO_ADS7846_CS,
491 static void corgi_bl_kick_battery(void)
493 void (*kick_batt)(void);
495 kick_batt = symbol_get(sharpsl_battery_kick);
498 symbol_put(sharpsl_battery_kick);
502 static struct corgi_lcd_platform_data corgi_lcdcon_info = {
503 .init_mode = CORGI_LCD_MODE_VGA,
504 .max_intensity = 0x2f,
505 .default_intensity = 0x1f,
507 .gpio_backlight_cont = CORGI_GPIO_BACKLIGHT_CONT,
508 .gpio_backlight_on = -1,
509 .kick_battery = corgi_bl_kick_battery,
512 static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
513 .gpio_cs = CORGI_GPIO_LCDCON_CS,
516 static struct pxa2xx_spi_chip corgi_max1111_chip = {
517 .gpio_cs = CORGI_GPIO_MAX1111_CS,
520 static struct spi_board_info corgi_spi_devices[] = {
522 .modalias = "ads7846",
523 .max_speed_hz = 1200000,
526 .platform_data = &corgi_ads7846_info,
527 .controller_data= &corgi_ads7846_chip,
528 .irq = gpio_to_irq(CORGI_GPIO_TP_INT),
530 .modalias = "corgi-lcd",
531 .max_speed_hz = 50000,
534 .platform_data = &corgi_lcdcon_info,
535 .controller_data= &corgi_lcdcon_chip,
537 .modalias = "max1111",
538 .max_speed_hz = 450000,
541 .controller_data= &corgi_max1111_chip,
545 static void __init corgi_init_spi(void)
547 pxa2xx_set_spi_info(1, &corgi_spi_info);
548 spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
551 static inline void corgi_init_spi(void) {}
554 static struct mtd_partition sharpsl_nand_partitions[] = {
556 .name = "System Area",
558 .size = 7 * 1024 * 1024,
561 .name = "Root Filesystem",
562 .offset = 7 * 1024 * 1024,
563 .size = 25 * 1024 * 1024,
566 .name = "Home Filesystem",
567 .offset = MTDPART_OFS_APPEND,
568 .size = MTDPART_SIZ_FULL,
572 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
574 static struct nand_bbt_descr sharpsl_bbt = {
578 .pattern = scan_ff_pattern
581 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
582 .badblock_pattern = &sharpsl_bbt,
583 .partitions = sharpsl_nand_partitions,
584 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
587 static struct resource sharpsl_nand_resources[] = {
591 .flags = IORESOURCE_MEM,
595 static struct platform_device sharpsl_nand_device = {
596 .name = "sharpsl-nand",
598 .resource = sharpsl_nand_resources,
599 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
600 .dev.platform_data = &sharpsl_nand_platform_data,
603 static struct mtd_partition sharpsl_rom_parts[] = {
605 .name ="Boot PROM Filesystem",
606 .offset = 0x00120000,
607 .size = MTDPART_SIZ_FULL,
611 static struct physmap_flash_data sharpsl_rom_data = {
613 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
614 .parts = sharpsl_rom_parts,
617 static struct resource sharpsl_rom_resources[] = {
621 .flags = IORESOURCE_MEM,
625 static struct platform_device sharpsl_rom_device = {
626 .name = "physmap-flash",
628 .resource = sharpsl_rom_resources,
629 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
630 .dev.platform_data = &sharpsl_rom_data,
633 static struct platform_device *devices[] __initdata = {
638 &sharpsl_nand_device,
642 static struct i2c_board_info __initdata corgi_i2c_devices[] = {
643 { I2C_BOARD_INFO("wm8731", 0x1b) },
646 static void corgi_poweroff(void)
648 if (!machine_is_corgi())
649 /* Green LED off tells the bootloader to halt */
650 gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
652 arm_machine_restart('h', NULL);
655 static void corgi_restart(char mode, const char *cmd)
657 if (!machine_is_corgi())
658 /* Green LED on tells the bootloader to reboot */
659 gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
661 arm_machine_restart('h', cmd);
664 static void __init corgi_init(void)
666 pm_power_off = corgi_poweroff;
667 arm_pm_restart = corgi_restart;
669 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
672 pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
676 pxa_set_udc_info(&udc_info);
677 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
678 pxa_set_mci_info(&corgi_mci_platform_data);
679 pxa_set_ficp_info(&corgi_ficp_platform_data);
680 pxa_set_i2c_info(NULL);
681 i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices));
683 platform_scoop_config = &corgi_pcmcia_config;
685 if (machine_is_husky())
686 sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;
688 platform_add_devices(devices, ARRAY_SIZE(devices));
691 static void __init fixup_corgi(struct machine_desc *desc,
692 struct tag *tags, char **cmdline, struct meminfo *mi)
694 sharpsl_save_param();
696 mi->bank[0].start = 0xa0000000;
697 mi->bank[0].node = 0;
698 if (machine_is_corgi())
699 mi->bank[0].size = (32*1024*1024);
701 mi->bank[0].size = (64*1024*1024);
704 #ifdef CONFIG_MACH_CORGI
705 MACHINE_START(CORGI, "SHARP Corgi")
706 .phys_io = 0x40000000,
707 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
708 .fixup = fixup_corgi,
709 .map_io = pxa_map_io,
710 .init_irq = pxa25x_init_irq,
711 .init_machine = corgi_init,
716 #ifdef CONFIG_MACH_SHEPHERD
717 MACHINE_START(SHEPHERD, "SHARP Shepherd")
718 .phys_io = 0x40000000,
719 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
720 .fixup = fixup_corgi,
721 .map_io = pxa_map_io,
722 .init_irq = pxa25x_init_irq,
723 .init_machine = corgi_init,
728 #ifdef CONFIG_MACH_HUSKY
729 MACHINE_START(HUSKY, "SHARP Husky")
730 .phys_io = 0x40000000,
731 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
732 .fixup = fixup_corgi,
733 .map_io = pxa_map_io,
734 .init_irq = pxa25x_init_irq,
735 .init_machine = corgi_init,